tailscale 是真听劝呀， peer relay 来了

免费版也支持，可以指定 2 个节点作为 relay

https://tailscale.com/blog/peer-relays-beta

https://www.v2ex.com/t/1169286
Tailscale
Tailscale Peer Relays: High-throughput relays for secure, flexible networks
Tailscale Peer Relays: High-throughput relays for secure, flexible networks
Tailscale Peer Relays provide predictable, performant access, entirely within your own tailnet.